11
10,11,12: NO, COM and NC of relay 1;
4, 5, 6: NO, COM and NC of relay 2;
4, 5, 6: NO, COM and NC of relay 3;
1, 2, 3: NO, COM and NC of relay 4;
22, 23, 24: NO, COM and NC of relay 5;
7, 8, 9: NO, COM and NC of relay 2;
13, 14: RS485 communication terminal;
15, 16: analog output terminal;
17, 18: 24VDC supply terminal;
19: connected to housing ;
20, 21: 220VAC supply terminal.
Note:
1. please do not use AC 220V and DC 24V at the same time;
2. if there is no need for terminal’s function in purchase order, the
terminal will not connect with any circuit. It’s null;
3. Terminal 19# is for grounding, if necessary, please connect
grounding wire reliably;
4. please power on after checking system and circuit.
6. Key Calibration
6.1. Indicator and key introduction
Indicator includes main indicator and deputy indicator (not including
484C series). Main indicator displays current measuring pressure value
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